# 导入包下所有的东西
# print("start")
# from package1.a import *
#
# print("end")
# print(PI)
#
# print(fun(10))

# 取别名
# import package1.a as a
#
# print(a.PI)
#
# print(a.fun(10))

import package1

print(package1.fun(10))
print(package1.PI)

import site

print(site.getsitepackages())

import sys

for i in sys.path:
    print(i)

import package2

print(package2.PI)
